# Life Sciences Paper 1, November 2024, question 2.2.5

> Describe how the progesterone level after day 24 would be different if this... Marked mark by mark. Q2.2.5, Life Sciences Paper 1 November 2024, 1 mark.

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Last updated: 2026-11-12

Subject: Life Sciences. Source: Based on Nov 2024 · Paper 1 · Q2.2.5. Marks: 1. Not yet checked by a teacher.

## Question 2.2.5 (1 mark)

The table shows the concentrations of two hormones in the blood of a healthy woman during one menstrual cycle.
Day | Oestrogen (pg/mℓ) | Progesterone (ng/mℓ)
3 | 50 | 0,20
7 | 75 | 0,04
10 | 270 | 0,04
13 | 310 | 0,04
15 | 150 | 3,5
18 | 105 | 13,0
22 | 85 | 16,0
25 | 60 | 4,5
28 | 55 | 0,7

Describe how the progesterone level after day 24 would be different if this female had become pregnant during this cycle.

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